16.(TCO 2) What is the slew rate
for an op-amp whose output increase 8 volts in 12 msec in response to a step
voltage input? (Points : 7)

0.667 V/msec0.75 V/msec1.5 V/msec96 V/msec

17.(TCO 2) Determine the open-loop
voltage gain for an op-amp with linear input-output characteristics
over an input voltage range of �0.04 mV that reaches output
saturation voltages of �13 V at the limits.
(Points : 7)

3.2532513996325000

18.(TCO 2) A four-input summing
amplifier has all input resistors at 10 k? and the feedback
resistor equal to 2.2 k?. If the input voltages are all equal to 2
V, what is the output voltage? (Points : 7)

-1.0 V-2.0 V-4.0 V-8 V

19.(TCO 2) In a scaling
adder, (Points : 7)

the input resistors are all the
same value.the input resistors are all
different values.the input resistors have values
that depend on the assigned weight of each input.the ratio
Rf/R must be the same for each
input.

20.(TCO 2) The purpose of a
comparator is to (Points : 7)

amplify an input
voltage.detect the occurrence of a
changing input voltage.produce a change in output when
an input voltage equals a reference voltage.maintain a constant output when
the dc input voltage changes.

21.(TCO 2) What value for
RX is required so that the DAC shown below has a maximum
output of -8.25V? Assume that the input values D0 � D3 are 5.0 V
signals.
(Points : 7)

37.5 k300 k333 k557.5 k

22.(TCO 2) To make a comparator
less sensitive to noise, which technique incorporating positive
feedback is used? (Points : 7)

Upper threshold
limitingLower threshold
limitingHysteresisClamping

23.(TCO 2) What type of op-amp
circuit should be selected to change a sine waveform into a
rectangular waveform? (Points : 7)

DifferentiatorIntegratorSummerComparitor

24.(TCO
2) Which type of op-amp circuit should be used to detect sudden
changes in an input signal and to generate an output proportional
to the rate of change of the input (i.e., the sharper the change,
the higher the output). (Points : 7)

all input resistors must be a
different value.the ratio
Rf/R must equal to the reciprocal of the number
of inputs.the ratio
Rf/R must equal to the number of
inputs.the ratio
Rf/R must equal to the number of inputs minus
one.